21. Pedodiversity is a measure of soil variation and also a function of soil formation and development or evolution. 22. Human activities widely influence soil formation . 23. He explained why soil formation was worthy of study and appealed for recognition of soil science as a discipline. 24. A "'Cambisol "'in the FAO World Reference Base for Soil Resources is a soil with a beginning of soil formation . 25. In soil formation distinct from the soil forming process of eluviation, which is the loss of mineral and organic colloids. 26. Continuous Drip irrigation would lead to alkali soils formation in the absence of leaching / drainage water from the field. 27. Where there a slabs of unfractured basalt soil formation and root penetration is impossible, leaving a patch in the forest. 28. The pedosphere is the outermost layer of Earth's continental surface and is composed of soil and subject to soil formation processes. 29. Pedologists see soil formation or soil properties as a function of regional climate, biota, topography, parent material, time and other variables. 30. Shaler extended Charles Darwin's work of the importance of earthworm soil bioturbation to soil formation to other animals, such as ants.
